Version bump

Kyle d'Oliveira · Kyle d'Oliveira · commit 0606c1f61bd3 · 2019-06-25T09:24:36.000-07:00
diff --git a/lib/polymorphic_integer_type/version.rb b/lib/polymorphic_integer_type/version.rb
@@ -1,3 +1,3 @@
 module PolymorphicIntegerType
-  VERSION = "2.1.1"
+  VERSION = "2.2.0"
 end
